Confidence votes 5. Well the cleanest bug in the world would most probably be a cockroach but dogs do have the cleanest mouths~!!! (=. 3 people found this useful.
Best Answer: The answer is 2. fault. That is the break in the crust. When the movement occurs, that is an earthquake. a locked discontinuity is a fault, if it moves you have an Earthquake. It is a fault. volcano. thats not my answer.
This implies that the Earthâs crust must be destroyed at the same rate it is being created. The destruction or recycling of the Earthâs crust takes place at convergent boundaries. Convergent boundaries are the zones where two tectonic plates moving towards each other come together at their plate boundaries.